EP1952050B1 - Quick-action coupling for pipes - Google Patents

Quick-action coupling for pipes Download PDF

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Publication number
EP1952050B1
EP1952050B1 EP06792160A EP06792160A EP1952050B1 EP 1952050 B1 EP1952050 B1 EP 1952050B1 EP 06792160 A EP06792160 A EP 06792160A EP 06792160 A EP06792160 A EP 06792160A EP 1952050 B1 EP1952050 B1 EP 1952050B1
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EP
European Patent Office
Prior art keywords
securing
locking
section
control part
stop
Prior art date
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Application number
EP06792160A
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German (de)
French (fr)
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EP1952050A1 (en
Inventor
Michael Trede
Axel Feger
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A Raymond SARL
Original Assignee
A Raymond SARL
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Publication date
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Publication of EP1952050A1 publication Critical patent/EP1952050A1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
    • F16L37/14—Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain
    • F16L37/142—Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain where the securing element is inserted tangentially
    • F16L37/144—Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain where the securing element is inserted tangentially the securing element being U-shaped
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
    • F16L37/14—Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2201/00—Special arrangements for pipe couplings
    • F16L2201/10—Indicators for correct coupling

Definitions

  • the invention relates to a coupling according to the preamble of claim 1.
  • Such a coupling is made DE 10 2004 062 887 B3 known.
  • the previously known coupling has a receiving part into which a plug-in part designed with a radially projecting retaining ring can be inserted.
  • a securing part is present, which is movable into a coupling position of an otherwise radially inwardly movement-blocked protruding pre-assembly into a radially outwardly movement-mounted retracted securing position after insertion of the male part.
  • the securing part has axially movable locking arms which, in cooperation with locking projections, allow the movement-blocked pre-assembly position and the movement-blocked securing position to be taken.
  • the invention has for its object to provide a coupling of the type mentioned, in a simple manner the proper transfer of the security part of the above pre-assembly in the inserted securing position for proper connection of the male and the female part is controlled.
  • a control part is present, which is only removable by moving in the axial direction of the receiving part, when the securing part is properly in the retracted securing position, a simple control is created by, for example, in a assembly line assembly Ensuring the connection of the receiving part and the plug-in part contracted by counting the removed control parts and comparing the number of control parts with the number of installed couplings can ensure that all installed couplings a proper fluid connection is made.
  • Fig. 1 shows a perspective view of an embodiment of a coupling according to the invention.
  • the coupling according to Fig. 1 has a receiving part 1 made of a hard plastic material, which is provided with an in Fig. 1 not shown end of a line of a fluid conduit system is connectable.
  • Locking arm receivers 4 which extend at right angles to the axial direction of the receiving body 3, are formed on the receiving part 1 in an area enlarged in cross-section on a side 2 of an elongate receiving body 3.
  • At the Einsteckseite 2 facing front walls 5 is shown as a blocking element in each case one in the illustration Fig.
  • the coupling according to the invention also has a securing part 7, likewise made of a hard plastic material, which is formed with a cover section 8, on which two opposing retaining arms 9 are formed.
  • the retaining arms 9 each engage in a separated by an intermediate wall 10 of the Verriegelungsarmagen 4 and on the Einsteckseite 2 facing side of the Verriegelungsarmagen 4 arranged mulchhaltearmamn a.
  • the securing part 7 in the illustrated embodiment has two locking arms 11 which engage in the Verriegelungsarmaman 4 and are flexible due to the properties of the plastic material used and / or a corresponding dimensioning in the dimensions in the axial direction.
  • the locking arms 11 are biased to the Einsteckseite 2 and lie in the illustration according to Fig. 1 Therefore, at least in the region of their free ends with their Einsteckseite 2 facing flat sides of the front walls 5 of the Verriegelungsarmingn 4.
  • each locking arm 11 In the region of the free end of each locking arm 11, a radially inwardly open locking recess is further formed in each case, whose shape is complementary to the shape of the respective locking projection.
  • a control part 12 is furthermore provided, which has a C-shaped main body formed by side legs 13, 14 and a securing part recess 15 features.
  • a control part 12 encloses the control part 12 in the pre-assembly of the securing part 7, a head portion 16 in which the securing part 7 is mounted, wherein the securing part 7 passes through the securing part recess 15.
  • the control part 12 has a stopper portion, which is formed in the illustrated embodiment by a between the side legs 13, 14 arcuate extending and on one of the insertion side 2 facing the end collar 17 of the head portion 15 adjacent connecting web 18.
  • the connecting bar 18 in the above pre-assembly of the security part 7 directly to the insertion side 2 facing wall of the security part 7 at.
  • Fig. 2 shows a perspective view of the receiving part 1 and the securing part 7 of the illustrated embodiment of a coupling according to the invention in the arrangement according to Fig. 1 with a plug-in shaft inserted into a receiving space enclosed by the receiving body 3 insertion part 19.
  • the insertion shaft is sealed by a sealing arrangement.
  • the plug-in part 19 is furthermore designed with a retaining ring which is enlarged in diameter relative to the insertion shaft and for connection to the fluid conduit system with a connecting shaft formed on the side of the retaining ring opposite the insertion shaft.
  • the inserted securing position was based on the in Fig. 1 shown projecting pre-assembly by by moving a corresponding force on the cover portion 8, the locking arms 11 have moved through the free spaces so far, due to the bias of the locking arms 11, the locking recesses have come into engagement with the locking projections and the securing member 7 in this Fix the locked securing position radially outward movement blocked.
  • the retaining arms 9 engage behind the retaining ring and thus secure the male member 19 in the receiving part 1.
  • the free spaces are expediently formed in their dimensions in the axial direction only slightly larger than the thickness of the locking arms 11 ,
  • Fig. 3 shows in a perspective view of the embodiment according to Fig. 1 and Fig. 2 with the securing part in the retracted securing position.
  • Out Fig. 3 It can be seen that in the illustrated embodiment, the outside of the cover portion 8 is arranged flush with the end collar 17, so that the connecting web 18 is now exposed and, as in Fig. 3 illustrated, the control part 12 is displaced away from the insertion side 2 in the direction of a in the insertion direction of the male member 17 behind the head portion 16 arranged center portion 20 slidably.
  • Fig. 4 shows the embodiment according to Fig. 1 to Fig. 3 with the control part 12 removed from the receiving body 3, after the control part 12 has been pushed over the middle section 20.
  • the center section 20 has a smaller diameter than the diameter of the head section 16, wherein a radially oriented step wall 21 is formed between the head section 16 and the center section 20.
  • the control part 12 on its opposite side of the connecting web 18 has a radially inwardly projecting rear wall 22 which is formed so that its radially inwardly facing end face on one of the step wall 21 adjacent, slightly thickened compared to the other areas of the center section 20 Edge portion of the center portion 20 is present.
  • control part 12 is reinforced on the one hand against bending, and on the other hand, the control part 12 is held in the stop position without play on the receiving body 3, while it arranged after transferring to the head portion 16 non-invasive removal position in which it in the region of the center portion 20 is relatively easy from the receiving body 3 is removable.
  • FIG. 4 infer that to prevent the control part 12 by a rotational movement unintentionally in the Stop position according to Fig. 1 can be removed from the receiving body 3, in a located adjacent to the step wall 21 head collar 23 of the head portion 15 extending axially and open to the middle portion 20 locking grooves 24 and formed on the inner sides of the side legs 13, 14 complementary to the locking grooves 24 formed locking projections 25 are formed.
  • the free ends 26 of the locking arms 11 slightly over the relative to the receiving body 3 in diameter enlarged area of the receiving part 1, so that when exerting a force on the protruding end portions of the locking arms 11 in the axial direction of the insertion side 2 against the bias of the Locking arms 11 of the engagement between the locking projections and the locking recess is released and can be converted from the retracted securing position into the above pre-assembly position by exerting a force directed perpendicular to this unlocking further force in the direction of the cover section 9, in which the male member 19 again from the Receiving part 1 is pulled out.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Mechanical Operated Clutches (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Portable Outdoor Equipment (AREA)

Abstract

A coupling has a locating part ( 1 ) into which a plug-in part can be inserted, and a locking part ( 7 ) which, after insertion of the plug-in part, can be moved from a projecting prefitting position into a pushed-in locking position. There is a control part ( 12 ) which has a C-shaped basic body formed with side legs ( 13, 14 ) and encloses, in the prefitting position of the locking part ( 7 ), a section ( 16 ) of the locating part ( 1 ). The control part ( 12 ) comprises a stop section ( 18 ), which, in the prefitting position of the locking part ( 7 ), bears in a stop position against the locking part ( 7 ) and which, in the locking position of the locking part ( 7 ), is disengaged from the locking part ( 7 ), wherein the control part ( 12 ), in the locking position of the locking part ( 7 ) can be displaced in the axial direction from the stop position into a removal position, in which it can be removed from the locating part ( 1 ). As a result, the proper connection of the plug-in part and the locating part ( 1 ) can be controlled in a simple manner.

Description

Die Erfindung betrifft eine Kupplung gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to a coupling according to the preamble of claim 1.

Eine derartige Kupplung ist aus DE 10 2004 062 887 B3 bekannt. Die vorbekannte Kupplung verfügt über ein Aufnahmeteil, in das ein mit einem radial überstehenden Rückhaltering ausgebildetes Einsteckteil einfügbar ist. Weiterhin ist ein Sicherungsteil vorhanden, das nach Einfügen des Einsteckteiles bis in eine Kuppelstellung von einer ansonsten radial nach innen bewegungsblockierten vorstehenden Vormontagestellung in eine radial nach außen bewegungsbtockierte eingeschobene Sicherungsstellung bewegbar ist. Das Sicherungsteil verfügt über axial bewegbare Verriegelungsarme, die im Zusammenwirken mit Verriegelungsvorsprüngen das Einnehmen der bewegungsblockierten Vormontagestellung und bewegungsblockierten Sicherungsstellung gestatten. Dadurch ist eine relativ einfache konstruktive Beeinflussung der Montagekraft, eine hohe Verschließfestigkeit und eine einfache sowie betriebssichere Handhabung bei Lösen der Verbindung zwischen dem Aufnahmeteil und dem Einsteckteil insbesondere unter beengten Platzverhältnissen erzielt.Such a coupling is made DE 10 2004 062 887 B3 known. The previously known coupling has a receiving part into which a plug-in part designed with a radially projecting retaining ring can be inserted. Furthermore, a securing part is present, which is movable into a coupling position of an otherwise radially inwardly movement-blocked protruding pre-assembly into a radially outwardly movement-mounted retracted securing position after insertion of the male part. The securing part has axially movable locking arms which, in cooperation with locking projections, allow the movement-blocked pre-assembly position and the movement-blocked securing position to be taken. As a result, a relatively simple constructive influence on the assembly force, a high Verschließfestigkeit and a simple and reliable operation when loosening the connection between the receiving part and the plug is achieved in particular in confined spaces.

Der Erfindung liegt die Aufgabe zugrunde, eine Kupplung der eingangs genannten Art anzugeben, bei der in einfacher Art und Weise das ordnungsgemäße Überführen des Sicherungsteiles von der vorstehenden Vormontagestellung in die eingeschobene Sicherungsstellung zum ordnungsgemäßen Verbinden des Einsteckteiles und des Aufnahmeteiles kontrollierbar ist.The invention has for its object to provide a coupling of the type mentioned, in a simple manner the proper transfer of the security part of the above pre-assembly in the inserted securing position for proper connection of the male and the female part is controlled.

Diese Aufgabe wird bei einer Kopplung der eingangs genannten Art erfindungsgemäß mit den kennzeichnenden Merkmalen des Patentanspruches 1 gelöst.This object is achieved according to the invention in a coupling of the type mentioned with the characterizing features of claim 1.

Dadurch, dass bei der erfindungsgemäßen Kupplung ein Kontrollteil vorhanden ist, das nur dann durch Verschieben in axialer Richtung von dem Aufnahmeteil abnehmbar ist, wenn sich das Sicherungsteil ordnungsgemäß in der eingeschobenen Sicherungsstellung befindet, ist eine einfache Kontrolle dadurch geschaffen, dass beispielsweise bei einer Fließbandmontage ein mit dem Verbinden des Aufnahmeteiles und des Einsteckteiles beauftragter Werker durch Abzählen der abgenommenen Kontrollteile und Vergleich der Anzahl der Kontrollteile mit der Anzahl der verbauten Kupplungen sicherstellen kann, dass bei allen verbauten Kupplungen eine ordnungsgemäße Fluidverbindung hergestellt ist.Characterized in that in the coupling according to the invention a control part is present, which is only removable by moving in the axial direction of the receiving part, when the securing part is properly in the retracted securing position, a simple control is created by, for example, in a assembly line assembly Ensuring the connection of the receiving part and the plug-in part contracted by counting the removed control parts and comparing the number of control parts with the number of installed couplings can ensure that all installed couplings a proper fluid connection is made.

Weitere zweckmäßige Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.Further expedient embodiments of the invention are the subject of the dependent claims.

Aus der nachfolgenden Beschreibung eines bevorzugten Ausführungsbeispiels der Erfindung unter Bezug auf die Figuren der Zeichnung ergeben sich weitere zweckmäßige Ausgestaltungen und Vorteile. Es zeigen:

Fig. 1
in einer perspektivischen Ansicht ein Ausführungsbei- spiel einer erfindungsgemäßen Kupplung mit einem in einer vorstehenden Vormontagestellung angeordneten Sicherungsteil sowie einem Kontrollteil in Anschlagsstel- lung,
Fig. 2
in einer perspektivischen Ansicht das Ausführungsbei- spiel gemäß Fig. 1 mit dem Sicherungsteil in einer ein- geschobenen Sicherungsstellung sowie einem in ein Aufnahmeteil eingefügten Einsteckteil,
Fig. 3
in einer perspektivischen Ansicht das Ausführungsbei- spiel gemäß Fig. 1 und Fig. 2 mit einem gegenüber der Anschlagsstellung gemäß Fig. 1 in axialer Richtung ver- schobenen Kontrollteil und
Fig. 4
in einer perspektivischen Ansicht das Ausführungsbei- spiel gemäß Fig. 1 bis Fig. 3 mit dem Kontrollteil in einer abgenommenen Anordnung.
From the following description of a preferred embodiment of the invention with reference to the figures of the drawing, further expedient refinements and advantages. Show it:
Fig. 1
3 is a perspective view of an exemplary embodiment of a coupling according to the invention with a securing part arranged in a protruding preassembly position and a control part in the stop position,
Fig. 2
in a perspective view of the exemplary embodiment according to Fig. 1 with the securing part in an inserted securing position and an insertion part inserted into a receiving part,
Fig. 3
in a perspective view, the exemplary embodiment play according to Fig. 1 and Fig. 2 with an opposite to the stop position according to Fig. 1 in the axial direction shifted control part and
Fig. 4
in a perspective view of the exemplary embodiment according to Fig. 1 to Fig. 3 with the control part in a detached arrangement.

Fig. 1 zeigt in einer perspektivischen Ansicht ein Ausführungsbeispiel einer erfindungsgemäßen Kupplung. Die Kupplung gemäß Fig. 1 verfügt über ein aus einem harten Kunststoffmaterial hergestelltes Aufnahmeteil 1, das mit einem in Fig. 1 nicht dargestellten Ende einer Leitung eines Fluidleitungssystems verbindbar ist. An dem Aufnahmeteil 1 sind in einem einer Einsteckseite 2 benachbarten, im Querschnitt vergrößerten Bereich beidseitig eines länglichen Aufnahmekörpers 3 Verriegelungsarmaufnahmen 4 ausgebildet, die sich rechtwinklig zur axialen Richtung des Aufnahmekörpers 3 erstrecken. An den der Einsteckseite 2 zugewandten Vorderwänden 5 ist als ein Sperrelement jeweils ein in der Darstellung gemäß Fig. 1 nicht sichtbarer Verriegelungsvorsprung angeordnet, der in axialer Richtung von der jeweiligen Vorderwand 5 absteht und sich in Richtung einer der Vorderwand 5 gegenüberliegenden Rückwand 6 erstreckt, wobei zwischen dem von der Einsteckseite 2 wegweisenden freien Ende des jeweiligen Verriegelungsvorsprunges und der betreffenden Rückwand 6 ein Freiraum ausgebildet ist. Fig. 1 shows a perspective view of an embodiment of a coupling according to the invention. The coupling according to Fig. 1 has a receiving part 1 made of a hard plastic material, which is provided with an in Fig. 1 not shown end of a line of a fluid conduit system is connectable. Locking arm receivers 4, which extend at right angles to the axial direction of the receiving body 3, are formed on the receiving part 1 in an area enlarged in cross-section on a side 2 of an elongate receiving body 3. At the Einsteckseite 2 facing front walls 5 is shown as a blocking element in each case one in the illustration Fig. 1 arranged invisible locking projection, which projects in the axial direction of the respective front wall 5 and extending in the direction of the front wall 5 opposite rear wall 6, wherein between the pointing away from the Einsteckseite 2 free end of the respective locking projection and the respective rear wall 6 is a free space ,

Die erfindungsgemäße Kupplung verfügt weiterhin über ein ebenfalls aus einem harten Kunststoffmaterial hergestelltes Sicherungsteil 7, das mit einem Deckabschnitt 8 ausgebildet ist, an dem zwei einander gegenüberliegende Rückhaltearme 9 angeformt sind. Die Rückhaltearme 9 greifen jeweils in eine durch eine Zwischenwand 10 von den Verriegelungsarmaufnahmen 4 abgetrennten und auf der der Einsteckseite 2 zugewandten Seite der Verriegelungsarmaufnahmen 4 angeordneten Rückhaltearmaufnahmen ein.The coupling according to the invention also has a securing part 7, likewise made of a hard plastic material, which is formed with a cover section 8, on which two opposing retaining arms 9 are formed. The retaining arms 9 each engage in a separated by an intermediate wall 10 of the Verriegelungsarmaufnahmen 4 and on the Einsteckseite 2 facing side of the Verriegelungsarmaufnahmen 4 arranged Rückhaltearmaufnahmen a.

Weiterhin verfügt das Sicherungsteil 7 bei dem dargestellten Ausführungsbeispiel über zwei Verriegelungsarme 11, die in die Verriegelungsarmaufnahmen 4 eingreifen und aufgrund der Eigenschaften des verwendeten Kunststoffmateriales und/oder einer entsprechenden Dimensionierung in den Abmessungen in der axialen Richtung biegsam sind. Vorzugsweise sind die Verriegelungsarme 11 zu der Einsteckseite 2 vorgespannt und liegen in der Darstellung gemäß Fig. 1 daher wenigstens im Bereich ihrer freien Enden mit ihren der Einsteckseite 2 zugewandten Flachseiten an den Vorderwänden 5 der Verriegelungsarmaufnahmen 4 an.Furthermore, the securing part 7 in the illustrated embodiment has two locking arms 11 which engage in the Verriegelungsarmaufnahmen 4 and are flexible due to the properties of the plastic material used and / or a corresponding dimensioning in the dimensions in the axial direction. Preferably, the locking arms 11 are biased to the Einsteckseite 2 and lie in the illustration according to Fig. 1 Therefore, at least in the region of their free ends with their Einsteckseite 2 facing flat sides of the front walls 5 of the Verriegelungsarmaufnahmen 4.

In der Anordnung des Aufnahmeteiles 1 und des Sicherungsteiles 7 gemäß Fig. 1, in der das Sicherungsteil 7 in einer vorstehenden Vormontagestellung ist, liegen die als weitere Sperrelemente der Sperranordnung wirkenden Stirnseiten der freien Enden der Verriegelungsarme 11 an den ihnen zugewandten Wandseiten der Verriegelungsvorsprünge an, wobei das Sicherungsteil 7 durch die bevorzugte Vorspannung der Verriegelungsarme 11 in Richtung der Einsteckseite 2 somit in dieser über den Aufnahmekörper 3 vorstehenden Vormontagestellung gegen ein Verschieben in eine eingeschobene Sicherungsstellung radial nach innen bewegungsblockiert ist.In the arrangement of the receiving part 1 and the securing part 7 according to Fig. 1 in which the securing part 7 is in a preceding pre-assembly, acting as further blocking elements of the locking arrangement end faces of the free ends of the locking arms 11 abut the facing wall sides of the locking projections, wherein the securing member 7 by the preferred bias of the locking arms 11 in the direction of Einsteckseite 2 thus in this on the receiving body 3 above preassembly is against movement in a retracted securing position radially inwardly blocked movement.

Im Bereich des freien Endes jedes Verriegelungsarmes 11 ist weiterhin jeweils eine radial nach innen geöffnete Verriegelungsausnehmung ausgebildet, deren Gestalt komplementär zu der Form des jeweiligen Verriegelungsvorsprunges ist.In the region of the free end of each locking arm 11, a radially inwardly open locking recess is further formed in each case, whose shape is complementary to the shape of the respective locking projection.

Bei der erfindungsgemäßen Kupplung ist weiterhin ein Kontrollteil 12 vorhanden, das über einen mit Seitenschenkeln 13, 14 und einer Sicherungsteilausnehmung 15 ausgebildeten C-förmigen Grundkörper verfügt. In der Anordnung gemäß Fig. 1 umschließt das Kontrollteil 12 in der Vormontagestellung des Sicherungsteiles 7 einen Kopfabschnitt 16, in dem auch das Sicherungsteil 7 gelagert ist, wobei das Sicherungsteil 7 durch die Sicherungsteilausnehmung 15 durchgreift. Das Kontrollteil 12 weist einen Anschlagabschnitt auf, der bei dem erläuterten Ausführungsbeispiel durch einen sich zwischen den Seitenschenkeln 13, 14 kreisbogenförmig erstreckenden und an einem der Einführseite 2 zugewandten Abschlussbund 17 des Kopfabschnittes 15 anliegenden Verbindungssteg 18 gebildet ist. In der Anordnung gemäß Fig. 1 liegt der Verbindungssteg 18 in der vorstehenden Vormontagestellung des Sicherungsteiles 7 direkt an der der Einführseite 2 zugewandten Wand des Sicherungsteiles 7 an.In the coupling according to the invention, a control part 12 is furthermore provided, which has a C-shaped main body formed by side legs 13, 14 and a securing part recess 15 features. In the arrangement according to Fig. 1 encloses the control part 12 in the pre-assembly of the securing part 7, a head portion 16 in which the securing part 7 is mounted, wherein the securing part 7 passes through the securing part recess 15. The control part 12 has a stopper portion, which is formed in the illustrated embodiment by a between the side legs 13, 14 arcuate extending and on one of the insertion side 2 facing the end collar 17 of the head portion 15 adjacent connecting web 18. In the arrangement according to Fig. 1 is the connecting bar 18 in the above pre-assembly of the security part 7 directly to the insertion side 2 facing wall of the security part 7 at.

Bei einer nicht dargestellten Abwandlung einer erfindungsgemäßen Kupplung ist zwischen einem Anschlagabschnitt und dem Sicherungsteil 7 ein gewisser Abstand vorhanden.In a modification, not shown, of a coupling according to the invention, there is a certain distance between a stop section and the securing part 7.

Fig. 2 zeigt in einer perspektivischen Ansicht das Aufnahmeteil 1 und das Sicherungsteil 7 des erläuterten Ausführungsbeispieles einer erfindungsgemäßen Kupplung in der Anordnung gemäß Fig. 1 mit einem mit einem Einsteckschaft in einen von dem Aufnahmekörper 3 umschlossenen Aufnahmeraum eingefügten Einsteckteil 19. Der Einsteckschaft ist über eine Dichtanordnung abgedichtet. Das Einsteckteil 19 ist weiterhin mit einem gegenüber dem Einsteckschaft im Durchmesser vergrößerten Rückhaltering sowie zum Anschluss an das Fluidleitungssystem mit einem auf der dem Einsteckschaft gegenüberliegenden Seite des Rückhalteringes ausgebildeten Verbindungsschaft ausgebildet. Fig. 2 shows a perspective view of the receiving part 1 and the securing part 7 of the illustrated embodiment of a coupling according to the invention in the arrangement according to Fig. 1 with a plug-in shaft inserted into a receiving space enclosed by the receiving body 3 insertion part 19. The insertion shaft is sealed by a sealing arrangement. The plug-in part 19 is furthermore designed with a retaining ring which is enlarged in diameter relative to the insertion shaft and for connection to the fluid conduit system with a connecting shaft formed on the side of the retaining ring opposite the insertion shaft.

In der Anordnung gemäß Fig. 2 ist das Einsteckteil 19 für eine korrekte Verbindung mit dem Aufnahmeteil 1 ordnungsgemäß bis in eine Koppelstellung ausreichend tief in den Aufnahmeraum eingefügt, wobei erst in dieser Anordnung der ein Überführen des Sicherungsteiles 7 von der ausgefahrenen Vormontagestellung gemäß Fig.1 in die in Fig. 2 dargestellte eingeschobene Sicherungsstellung behindernde Eingriff der Stirnseiten der freien Enden der Verriegelungsarme 11 mit den Verriegelungsvorsprüngen unter Bewegen der Verriegelungsarme 11 entgegen der Vorspannung in axialer Richtung von der Einsteckseite 3 weg gelöst ist.In the arrangement according to Fig. 2 the plug-in part 19 is properly inserted into the receiving space sufficiently deep into a coupling position for a correct connection with the receiving part 1, only in this arrangement, the transfer of the security part 7 of the extended pre-assembly according to Fig.1 in the in Fig. 2 illustrated retracted securing position obstructing engagement of the end faces of the free ends of the locking arms 11 is released with the locking projections under movement of the locking arms 11 against the bias in the axial direction of the Einsteckseite 3 away.

Die eingeschobene Sicherungsstellung wurde ausgehend von der in Fig. 1 dargestellten vorstehenden Vormontagestellung eingenommen, indem sich durch Ausüben einer entsprechenden Kraft auf den Deckabschnitt 8 die Verriegelungsarme 11 durch die Freiräume hindurch so weit bewegt haben, bis aufgrund der Vorspannung der Verriegelungsarme 11 die Verriegelungsausnehmungen mit den Verriegelungsvorsprüngen in Eingriff gekommen sind und das Sicherungsteil 7 in dieser eingeschobenen Sicherungsstellung radial nach außen bewegungsblockiert fixieren. In der eingeschobenen Sicherungsstellung hintergreifen die Rückhaltearme 9 den Rückhaltering und sichern somit das Einsteckteil 19 in dem Aufnahmeteil 1. Zum Vermeiden eines zu großen Spieles bei dieser Bewegung sind die Freiräume zweckmäßigerweise in ihren Abmessungen in axialer Richtung nur geringfügig größer als die Dicke der Verriegelungsarme 11 ausgebildet.The inserted securing position was based on the in Fig. 1 shown projecting pre-assembly by by moving a corresponding force on the cover portion 8, the locking arms 11 have moved through the free spaces so far, due to the bias of the locking arms 11, the locking recesses have come into engagement with the locking projections and the securing member 7 in this Fix the locked securing position radially outward movement blocked. In the retracted securing position, the retaining arms 9 engage behind the retaining ring and thus secure the male member 19 in the receiving part 1. To avoid too much play in this movement, the free spaces are expediently formed in their dimensions in the axial direction only slightly larger than the thickness of the locking arms 11 ,

Falls hingegen das Sicherungsteil 7 aus der vorstehenden Vormontagestellung gemäß Fig. 1 nicht in die eingeschobene Sicherungsstellung gemäß Fig. 2 bis Fig. 4 überführt wird, erfolgt durch die nunmehr relativ hohe Vorspannung der Verriegelungsarme 11 ein Austreiben des Einsteckteiles 19 entgegen der Einführrichtung in Richtung der Einsteckseite 2. Dadurch ist eine hohe Montagesicherheit gegeben.If, however, the securing part 7 from the above pre-assembly according to Fig. 1 not in the retracted securing position according to Fig. 2 to Fig. 4 is transferred, carried out by the now relatively high bias of the locking arms 11 expelling the male member 19 against the insertion in the direction of the insertion side 2. This gives a high mounting security.

Fig. 3 zeigt in einer perspektivischen Ansicht das Ausführungsbeispiel gemäß Fig. 1 und Fig. 2 mit dem Sicherungsteil in der eingeschobenen Sicherungsstellung. Aus Fig. 3 ist ersichtlich, dass bei dem erläuterten Ausführungsbeispiel die Außenseite des Deckabschnittes 8 bündig mit dem Abschlussbund 17 angeordnet ist, so dass der Verbindungssteg 18 nunmehr freiliegt und, wie in Fig. 3 dargestellt, das Kontrollteil 12 von der Einführseite 2 weg in Richtung eines in Einführrichtung des Einsteckteiles 17 hinter dem Kopfabschnitt 16 angeordneten Mittenabschnitt 20 verschiebbar ist. Fig. 3 shows in a perspective view of the embodiment according to Fig. 1 and Fig. 2 with the securing part in the retracted securing position. Out Fig. 3 It can be seen that in the illustrated embodiment, the outside of the cover portion 8 is arranged flush with the end collar 17, so that the connecting web 18 is now exposed and, as in Fig. 3 illustrated, the control part 12 is displaced away from the insertion side 2 in the direction of a in the insertion direction of the male member 17 behind the head portion 16 arranged center portion 20 slidably.

Fig. 4 zeigt das Ausführungsbeispiel gemäß Fig. 1 bis Fig. 3 mit dem von dem Aufnahmekörper 3 abgenommenen Kontrollteil 12, nachdem das Kontrollteil 12 bis über den Mittenabschnitt 20 geschoben worden ist. Aus Fig. 4 ist deutlich ersichtlich, dass der Mittenabschnitt 20 eine gegenüber dem Durchmesser des Kopfabschnittes 16 kleineren Durchmesser aufweist, wobei zwischen dem Kopfabschnitt 16 und dem Mittenabschnitt 20 eine radial ausgerichtete Stufenwand 21 ausgebildet ist. Weiterhin lässt sich Fig. 4 entnehmen, dass das Kontrollteil 12 auf seiner dem Verbindungssteg 18 gegenüberliegenden Seite eine radial nach innen ragende Rückwand 22 aufweist, die so ausgebildet ist, dass ihre radial nach innen weisende Stirnseite an einem der Stufenwand 21 benachbarten, gegenüber den übrigen Bereichen des Mittenabschnittes 20 geringfügig verdickten Randabschnitt des Mittenabschnittes 20 anliegt. Dadurch ist das Kontrollteil 12 zum einen gegen Aufbiegen verstärkt, und zum anderen ist das Kontrollteil 12 in der Anschlagsstellung spielfrei an dem Aufnahmekörper 3 gehalten, während es nach Überführen in eine mit dem Kopfabschnitt 16 eingriffsfreie Entnahmestellung, in der es im Bereich des Mittenabschnittes 20 angeordnet ist, verhältnismäßig einfach von dem Aufnahmekörper 3 abnehmbar ist. Fig. 4 shows the embodiment according to Fig. 1 to Fig. 3 with the control part 12 removed from the receiving body 3, after the control part 12 has been pushed over the middle section 20. Out Fig. 4 It can be clearly seen that the center section 20 has a smaller diameter than the diameter of the head section 16, wherein a radially oriented step wall 21 is formed between the head section 16 and the center section 20. Furthermore, it is possible Fig. 4 It can be seen that the control part 12 on its opposite side of the connecting web 18 has a radially inwardly projecting rear wall 22 which is formed so that its radially inwardly facing end face on one of the step wall 21 adjacent, slightly thickened compared to the other areas of the center section 20 Edge portion of the center portion 20 is present. As a result, the control part 12 is reinforced on the one hand against bending, and on the other hand, the control part 12 is held in the stop position without play on the receiving body 3, while it arranged after transferring to the head portion 16 non-invasive removal position in which it in the region of the center portion 20 is relatively easy from the receiving body 3 is removable.

Weiterhin lässt sich Fig. 4 entnehmen, dass zum Verhindern, dass das Kontrollteil 12 durch eine Drehbewegung unbeabsichtigt in der Anschlagsstellung gemäß Fig. 1 von dem Aufnahmekörper 3 abgenommen werden kann, in einem in benachbart der Stufenwand 21 gelegenen Kopfbund 23 des Kopfabschnittes 15 sich in axialer Richtung erstreckende und zum Mittenabschnitt 20 offene Rastnuten 24 eingebracht und an den Innenseiten der Seitenschenkel 13, 14 komplementär zu den Rastnuten 24 ausgebildete Rastvorsprünge 25 ausgebildet sind.Furthermore, it is possible Fig. 4 infer that to prevent the control part 12 by a rotational movement unintentionally in the Stop position according to Fig. 1 can be removed from the receiving body 3, in a located adjacent to the step wall 21 head collar 23 of the head portion 15 extending axially and open to the middle portion 20 locking grooves 24 and formed on the inner sides of the side legs 13, 14 complementary to the locking grooves 24 formed locking projections 25 are formed.

Zweckmäßigerweise stehen die freien Enden 26 der Verriegelungsarme 11 geringfügig über den gegenüber dem Aufnahmekörper 3 im Durchmesser vergrößerten Bereich des Aufnahmeteiles 1 über, so dass bei Ausüben einer Kraft auf die überstehenden Endabschnitte der Verriegelungsarme 11 in axialer Richtung von der Einsteckseite 2 weg entgegen der Vorspannung der Verriegelungsarme 11 der Eingriff zwischen den Verriegelungsvorsprüngen und den Verriegelungsausnehmung gelöst wird und durch Ausüben einer zu dieser Entriegelungskraft rechtwinklig ausgerichteten weiteren Kraft in Richtung des Deckabschnittes 9 das Sicherungsteil 7 von der eingeschobenen Sicherungsstellung in die vorstehende Vormontagestellung überführbar ist, in der das Einsteckteil 19 wieder aus dem Aufnahmeteil 1 herausziehbar ist.Conveniently, the free ends 26 of the locking arms 11 slightly over the relative to the receiving body 3 in diameter enlarged area of the receiving part 1, so that when exerting a force on the protruding end portions of the locking arms 11 in the axial direction of the insertion side 2 against the bias of the Locking arms 11 of the engagement between the locking projections and the locking recess is released and can be converted from the retracted securing position into the above pre-assembly position by exerting a force directed perpendicular to this unlocking further force in the direction of the cover section 9, in which the male member 19 again from the Receiving part 1 is pulled out.

Durch dieses Erfordernis einer zweifachen, in ihrer zeitlichen Abfolge separierten Kraftausübung in verschiedenen Richtungen ist somit eine sehr betriebssichere Verbindung zwischen dem Aufnahmeteil 1 und dem Einsteckteil 19 geschaffen, bei der ein unabsichtliches Lösen so gut wie ausgeschlossen ist.This requirement of a double, separated in their temporal sequence of force in different directions thus a very reliable connection between the receiving part 1 and the plug 19 is created in which an accidental release is virtually eliminated.

Claims (5)

  1. Coupling comprising a receiving part (1) into which an insertion part (19) formed with a radially projecting retaining ring can be inserted, and comprising a securing part (7) which, after insertion of the insertion part (19) up to a coupling position, can be moved from a projecting preassembly position, in which movement radially inwards is otherwise blocked, to an inserted securing position, in which movement radially outwards is blocked, for fixing the insertion part (19) by gripping behind the retaining ring, characterized in that a control part (12) is present which has a C-shaped base body which is formed with side limbs (13, 14) and, in the preassembly position of the securing part (7), surrounds a section (16) of the receiving part (1) and which has a stop section (18) which, in the preassembly position of the securing part (7), rests against the securing part (7) in a stop position and which does not engage the securing part (7) in the securing position of the securing part (7), and in that, in the securing position of the securing part (7), the control part (12) can be displaced in the axial direction from the stop position to a removal position in which it can be removed from the receiving part (1).
  2. Coupling according to Claim 1, characterized in that the stop section is formed by a connecting web (18) which, in the stop position, is arranged before the securing part (7) in the insertion direction of the insertion part (19).
  3. Coupling according to Claim 2, characterized in that the receiving part (1) has a head section located to the front in the insertion direction of the insertion part (19) and a middle section (20) arranged at the back of the head section (16) in the insertion direction of the insertion part (19) and having a smaller diameter than the diameter of the head section (16), and in that the control part (12) is arranged on the head section (16) in the stop position.
  4. Coupling according to Claim 3, characterized in that the control part (12) has a back wall (22) which projects radially inwards from the side limbs and, in the stop position of the control part (12), rests against a stepped wall (21) formed between the head section (16) and the middle section (20).
  5. Coupling according to Claim 4, characterized in that the head section (2) has axially extending snap-in grooves (24) and in that the control part (12) has snap-in projections (25) which, in the stop position of the control part (12), engage the snap-in grooves (24).
EP06792160A 2005-11-18 2006-09-20 Quick-action coupling for pipes Active EP1952050B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005055549A DE102005055549B4 (en) 2005-11-18 2005-11-18 clutch
PCT/EP2006/009118 WO2007057068A1 (en) 2005-11-18 2006-09-20 Quick-action coupling for pipes

Publications (2)

Publication Number Publication Date
EP1952050A1 EP1952050A1 (en) 2008-08-06
EP1952050B1 true EP1952050B1 (en) 2010-09-01

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ID=37575175

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06792160A Active EP1952050B1 (en) 2005-11-18 2006-09-20 Quick-action coupling for pipes

Country Status (12)

Country Link
US (1) US20080231045A1 (en)
EP (1) EP1952050B1 (en)
JP (1) JP4813564B2 (en)
KR (1) KR101001229B1 (en)
CN (1) CN101297147B (en)
AT (1) ATE479869T1 (en)
BR (1) BRPI0618747A2 (en)
DE (2) DE102005055549B4 (en)
ES (1) ES2352040T3 (en)
HK (1) HK1119226A1 (en)
RU (1) RU2407943C2 (en)
WO (1) WO2007057068A1 (en)

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JP2010270867A (en) * 2009-05-22 2010-12-02 Tokai Rubber Ind Ltd Quick connector and pipe connecting structure
DE102014000387B4 (en) * 2014-01-10 2015-07-30 Oetiker Schweiz Ag quick coupling
CN103899861B (en) * 2014-03-25 2016-08-17 廊坊舒畅汽车零部件有限公司 A kind of jointing
US10422459B2 (en) 2015-01-14 2019-09-24 Norma U.S. Holding Llc Conduit connector with a primary and secondary latch
DE102016109051A1 (en) * 2015-10-21 2017-04-27 Voss Automotive Gmbh Connectors for media cables
CN106090492B (en) * 2016-07-26 2017-12-05 浙江工业大学 L-shaped urea pipe quick joint for automobile
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US11365840B2 (en) * 2020-11-20 2022-06-21 A. Raymond Et Cie Code verification sleeve for a quick connector

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Also Published As

Publication number Publication date
CN101297147A (en) 2008-10-29
RU2407943C2 (en) 2010-12-27
KR20080066699A (en) 2008-07-16
HK1119226A1 (en) 2009-02-27
DE502006007794D1 (en) 2010-10-14
JP4813564B2 (en) 2011-11-09
ES2352040T3 (en) 2011-02-15
DE102005055549B4 (en) 2010-05-12
US20080231045A1 (en) 2008-09-25
ATE479869T1 (en) 2010-09-15
WO2007057068A1 (en) 2007-05-24
BRPI0618747A2 (en) 2011-09-13
RU2008123729A (en) 2009-12-27
KR101001229B1 (en) 2010-12-17
CN101297147B (en) 2010-05-19
JP2009516138A (en) 2009-04-16
EP1952050A1 (en) 2008-08-06
DE102005055549A1 (en) 2007-06-06

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